UNITED KINGDOM. MINERAL STATISTICS 1978HEALING RA.1979; ; GBR; LONDON: HER MAJESTY'S STATIONERY OFFICE; DA. 1979; 154 P.; ISBN 0118840894Miscellaneous

UNITED KINGDOM. MINERAL STATISTICS 1977.HEALING RA.1978; LONDON; HMSO; DA. 1978; PP. 1-156; 14 ILL.Book

INTERNATIONAL ASPECTS OF KAOLIN.HEALING RA; WRIGHT PC.1968; INT.GEOL.CONG.REPORT.OF.THE.23.SESSION-CZECHOSLOVAKIA-1968; 1968, VOL. 14, P. 125 A 135Miscellaneous

MANGANESE NODULES - AN EXAMPLE OF A LASKY DISTRIBUTION.HEALING RA; ARCHER AA.1975; RESOURCES POLICY; G.B.; 1975, VOL. 1, NUM. 0006, P. 306 A 312Serial Issue

UNITED KINGDOM MINERAL STATISTICS 1974.HEALING RA; HARRISON MC.1974; LONDRES HER MAJESTY STATIONEY OFF.,1974, P. 1 A 145Book

UNITED KINGDOM MINERAL STATISTICS.HEALING RA; HARRISON MC.sdLONDRES HER MAJESTY'S STATIONERY OFF.,1975, P. 1 A 161Miscellaneous

AGGREGATES IN BRITAIN.HARRIS PM; THURRELL RC; HEALING RA et al.1974; PROC. R. SOC. LONDON, A; GBR; 1974, VOL. 339, NUM. 1618, P. 329 A 353Serial Issue